add example using --rate_poisson

[fio.git] / parse.c

diff --git a/parse.c b/parse.c
index 745056bdc8186e54743d2fb688df926084c91853..e330deae2c805602be5b5df5f4c462c0f773c9e0 100644 (file)
--- a/parse.c
+++ b/parse.c
@@ -52,7 +52,7 @@ static void posval_sort(struct fio_option *o, struct value_pair *vpmap)
 }
 
 static void show_option_range(struct fio_option *o,
-                               int (*logger)(const char *format, ...))
+                             size_t (*logger)(const char *format, ...))
 {
        if (o->type == FIO_OPT_FLOAT_LIST) {
                if (o->minfp == DBL_MIN && o->maxfp == DBL_MAX)
@@ -109,7 +109,7 @@ static void show_option_help(struct fio_option *o, int is_err)
                "no argument (opt)",
                "deprecated",
        };
-       int (*logger)(const char *format, ...);
+       size_t (*logger)(const char *format, ...);
 
        if (is_err)
                logger = log_err;
@@ -1061,6 +1061,19 @@ int string_distance(const char *s1, const char *s2)
        return i;
 }
 
+/*
+ * Make a guess of whether the distance from 's1' is significant enough
+ * to warrant printing the guess. We set this to a 1/2 match.
+ */
+int string_distance_ok(const char *opt, int distance)
+{
+       size_t len;
+
+       len = strlen(opt);
+       len = (len + 1) / 2;
+       return distance <= len;
+}
+
 static struct fio_option *find_child(struct fio_option *options,
                                     struct fio_option *o)
 {